From: "Dwivedi, Avaneesh Kumar (avani)" <akdwived@codeaurora.org>
To: Rob Herring <robh@kernel.org>,
Prakruthi Deepak Heragu <pheragu@codeaurora.org>
Cc: linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
ckadabi@codeaurora.org, tsoni@codeaurora.org,
bryanh@codeaurora.org, psodagud@codeaurora.org,
rnayak@codeaurora.org,
Satya Durga Srinivasu Prabhala <satyap@codeaurora.org>
Subject: Re: [PATCH v3 1/2] dt-bindings: Documentation for qcom,eud
Date: Thu, 9 Jan 2020 20:28:51 +0530 [thread overview]
Message-ID: <7308d80f-7d0c-62bd-5b7d-63813e420c47@codeaurora.org> (raw)
In-Reply-To: <20181117144705.GA18155@bogus>
On 11/17/2018 8:17 PM, Rob Herring wrote:
> On Thu, Nov 15, 2018 at 11:32:53AM -0800, Prakruthi Deepak Heragu wrote:
>> Documentation for Embedded USB Debugger (EUD) device tree bindings.
> I asked questions on v2 which were never answered.
HI Rob,
Can you please review my replies against your comments on patchset v2?
>
>> Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org>
>> Signed-off-by: Prakruthi Deepak Heragu <pheragu@codeaurora.org>
>> ---
>> .../devicetree/bindings/soc/qcom/qcom,msm-eud.txt | 43 ++++++++++++++++++++++
>> 1 file changed, 43 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,msm-eud.txt
>>
>> diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,msm-eud.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,msm-eud.txt
>> new file mode 100644
>> index 0000000..6d339e7
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,msm-eud.txt
>> @@ -0,0 +1,43 @@
>> +* Qualcomm Technologies Inc Embedded USB Debugger (EUD)
>> +
>> +The EUD (Embedded USB Debugger) is a mini-USB hub implemented
>> +on chip to support the USB-based debug and trace capabilities.
>> +
>> +Required properties:
>> +
>> + - compatible: Should be "qcom,msm-eud"
>> + - interrupts: Interrupt number
>> + - reg: Should be address and size of EUD register space
>> +
>> +EUD notifies clients for VBUS attach/detach and charger enable/disable
>> +events. The link between client and EUD is established via a directed
>> +graph. EUD has one endpoint of the graph link mentioning EUD as an
>> +output link and clients of EUD should have the other endpoint of the
>> +graph link as an input link.
>> +
>> +An example for EUD device node:
>> +
>> + eud: qcom,msm-eud@88e0000 {
>> + compatible = "qcom,msm-eud";
>> + interrupts = <GIC_SPI 492 IRQ_TYPE_LEVEL_HIGH>;
>> + reg = <0x88e0000 0x4000>;
>> + usb_con: connector {
>> + compatible = "usb-c-connector";
>> + label = "USB-C";
>> + port {
>> + eud_usb_output: endpoint {
>> + remote-endpoint = <&eud_usb3_input>;
>> + };
>> + };
>> + };
>> + };
>> +
>> +An example for EUD client:
>> +
>> + usb3 {
>> + port {
>> + eud_usb3_input: endpoint {
>> + remote-endpoint = <&eud_usb_output>;
>> + };
>> + };
>> + };
>> --
>> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
>> a Linux Foundation Collaborative Project
>>
--
Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project.
next prev parent reply other threads:[~2020-01-09 14:59 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1542310374-18474-1-git-send-email-pheragu@codeaurora.org>
2018-11-15 19:32 ` [v3,1/2] dt-bindings: Documentation for qcom,eud Prakruthi Deepak Heragu
2018-11-17 14:47 ` Rob Herring
2020-01-09 14:58 ` Dwivedi, Avaneesh Kumar (avani) [this message]
2018-11-15 19:32 ` [v3,2/2] Embedded USB Debugger (EUD) driver Prakruthi Deepak Heragu
2018-11-15 23:06 ` Greg Kroah-Hartman
2020-01-23 21:41 ` [PATCH v3 2/2] " Dwivedi, Avaneesh Kumar (avani)
2020-01-24 5:57 ` Greg KH
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